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2014-12-15 Jonathan Roelofs <jonathan@codesourcery.com> 

* libc/include/math.h: Add log2l,logbl,nexttowardf,
        * nexttoward,nexttowardl
        * libm/common/Makefile.am: Reference new files
        * libm/common/Makefile.in: Reference new files
        * libm/common/log2l.c: New File
        * libm/common/logbl.c: Likewise
        * libm/common/nexttowardf.c: Likewise
        * libm/common/nexttoward.c: Likewise
        * libm/common/nexttowardl.c: Likewise
This commit is contained in:
Jeff Johnston 2014-12-15 20:50:23 +00:00
parent f97bf8a679
commit 705cda717e
9 changed files with 288 additions and 4 deletions
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12
newlib/ChangeLog
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@ -1,3 +1,15 @@
2014-12-15 Jonathan Roelofs <jonathan@codesourcery.com>
* libc/include/math.h: Add log2l,logbl,nexttowardf,
* nexttoward,nexttowardl
* libm/common/Makefile.am: Reference new files
* libm/common/Makefile.in: Reference new files
* libm/common/log2l.c: New File
* libm/common/logbl.c: Likewise
* libm/common/nexttowardf.c: Likewise
* libm/common/nexttoward.c: Likewise
* libm/common/nexttowardl.c: Likewise
2014-12-15 Yaakov Selkowitz <yselkowi@redhat.com>
* libc/include/stdio.h (__SNLK): Define.

5
newlib/libc/include/math.h
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@ -423,6 +423,11 @@ extern int ilogbl _PARAMS((long double));
extern long double asinhl _PARAMS((long double));
extern long double cbrtl _PARAMS((long double));
extern long double nextafterl _PARAMS((long double, long double));
extern float nexttowardf _PARAMS((float, long double));
extern double nexttoward _PARAMS((double, long double));
extern long double nexttowardl _PARAMS((long double, long double));
extern long double logbl _PARAMS((long double));
extern long double log2l _PARAMS((long double));
extern long double rintl _PARAMS((long double));
extern long double scalbnl _PARAMS((long double, int));
extern long double exp2l _PARAMS((long double));

4
newlib/libm/common/Makefile.am
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@ -30,7 +30,9 @@ lsrc = atanl.c cosl.c sinl.c tanl.c tanhl.c frexpl.c modfl.c ceill.c fabsl.c \
copysignl.c nanl.c ilogbl.c asinhl.c cbrtl.c nextafterl.c rintl.c \
scalbnl.c exp2l.c scalblnl.c tgammal.c nearbyintl.c lrintl.c llrintl.c \
roundl.c lroundl.c llroundl.c truncl.c remquol.c fdiml.c fmaxl.c fminl.c \
fmal.c acoshl.c atanhl.c remainderl.c lgammal.c erfl.c erfcl.c
fmal.c acoshl.c atanhl.c remainderl.c lgammal.c erfl.c erfcl.c \
logbl.c nexttowardf.c nexttoward.c nexttowardl.c log2l.c
libcommon_la_LDFLAGS = -Xcompiler -nostdlib

41
newlib/libm/common/Makefile.in
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@ -136,7 +136,10 @@ am__objects_3 = lib_a-atanl.$(OBJEXT) lib_a-cosl.$(OBJEXT) \
lib_a-fminl.$(OBJEXT) lib_a-fmal.$(OBJEXT) \
lib_a-acoshl.$(OBJEXT) lib_a-atanhl.$(OBJEXT) \
lib_a-remainderl.$(OBJEXT) lib_a-lgammal.$(OBJEXT) \
lib_a-erfl.$(OBJEXT) lib_a-erfcl.$(OBJEXT)
lib_a-erfl.$(OBJEXT) lib_a-erfcl.$(OBJEXT) \
lib_a-logbl.$(OBJEXT) lib_a-nexttowardf.$(OBJEXT) \
lib_a-nexttoward.$(OBJEXT) lib_a-nexttowardl.$(OBJEXT) \
lib_a-log2l.$(OBJEXT)
@HAVE_LONG_DOUBLE_TRUE@@USE_LIBTOOL_FALSE@am__objects_4 = \
@HAVE_LONG_DOUBLE_TRUE@@USE_LIBTOOL_FALSE@ $(am__objects_3)
@USE_LIBTOOL_FALSE@am_lib_a_OBJECTS = $(am__objects_1) \
@ -169,7 +172,8 @@ am__objects_7 = atanl.lo cosl.lo sinl.lo tanl.lo tanhl.lo frexpl.lo \
tgammal.lo nearbyintl.lo lrintl.lo llrintl.lo roundl.lo \
lroundl.lo llroundl.lo truncl.lo remquol.lo fdiml.lo fmaxl.lo \
fminl.lo fmal.lo acoshl.lo atanhl.lo remainderl.lo lgammal.lo \
erfl.lo erfcl.lo
erfl.lo erfcl.lo logbl.lo nexttowardf.lo nexttoward.lo \
nexttowardl.lo log2l.lo
@HAVE_LONG_DOUBLE_TRUE@@USE_LIBTOOL_TRUE@am__objects_8 = \
@HAVE_LONG_DOUBLE_TRUE@@USE_LIBTOOL_TRUE@ $(am__objects_7)
@USE_LIBTOOL_TRUE@am_libcommon_la_OBJECTS = $(am__objects_5) \
@ -355,7 +359,8 @@ lsrc = atanl.c cosl.c sinl.c tanl.c tanhl.c frexpl.c modfl.c ceill.c fabsl.c \
copysignl.c nanl.c ilogbl.c asinhl.c cbrtl.c nextafterl.c rintl.c \
scalbnl.c exp2l.c scalblnl.c tgammal.c nearbyintl.c lrintl.c llrintl.c \
roundl.c lroundl.c llroundl.c truncl.c remquol.c fdiml.c fmaxl.c fminl.c \
fmal.c acoshl.c atanhl.c remainderl.c lgammal.c erfl.c erfcl.c
fmal.c acoshl.c atanhl.c remainderl.c lgammal.c erfl.c erfcl.c \
logbl.c nexttowardf.c nexttoward.c nexttowardl.c log2l.c
libcommon_la_LDFLAGS = -Xcompiler -nostdlib
@USE_LIBTOOL_TRUE@noinst_LTLIBRARIES = libcommon.la
@ -1203,6 +1208,36 @@ lib_a-erfcl.o: erfcl.c
lib_a-erfcl.obj: erfcl.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-erfcl.obj `if test -f 'erfcl.c'; then $(CYGPATH_W) 'erfcl.c'; else $(CYGPATH_W) '$(srcdir)/erfcl.c'; fi`
lib_a-logbl.o: logbl.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-logbl.o `test -f 'logbl.c' || echo '$(srcdir)/'`logbl.c
lib_a-logbl.obj: logbl.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-logbl.obj `if test -f 'logbl.c'; then $(CYGPATH_W) 'logbl.c'; else $(CYGPATH_W) '$(srcdir)/logbl.c'; fi`
lib_a-nexttowardf.o: nexttowardf.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-nexttowardf.o `test -f 'nexttowardf.c' || echo '$(srcdir)/'`nexttowardf.c
lib_a-nexttowardf.obj: nexttowardf.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-nexttowardf.obj `if test -f 'nexttowardf.c'; then $(CYGPATH_W) 'nexttowardf.c'; else $(CYGPATH_W) '$(srcdir)/nexttowardf.c'; fi`
lib_a-nexttoward.o: nexttoward.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-nexttoward.o `test -f 'nexttoward.c' || echo '$(srcdir)/'`nexttoward.c
lib_a-nexttoward.obj: nexttoward.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-nexttoward.obj `if test -f 'nexttoward.c'; then $(CYGPATH_W) 'nexttoward.c'; else $(CYGPATH_W) '$(srcdir)/nexttoward.c'; fi`
lib_a-nexttowardl.o: nexttowardl.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-nexttowardl.o `test -f 'nexttowardl.c' || echo '$(srcdir)/'`nexttowardl.c
lib_a-nexttowardl.obj: nexttowardl.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-nexttowardl.obj `if test -f 'nexttowardl.c'; then $(CYGPATH_W) 'nexttowardl.c'; else $(CYGPATH_W) '$(srcdir)/nexttowardl.c'; fi`
lib_a-log2l.o: log2l.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-log2l.o `test -f 'log2l.c' || echo '$(srcdir)/'`log2l.c
lib_a-log2l.obj: log2l.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-log2l.obj `if test -f 'log2l.c'; then $(CYGPATH_W) 'log2l.c'; else $(CYGPATH_W) '$(srcdir)/log2l.c'; fi`
mostlyclean-libtool:
-rm -f *.lo

38
newlib/libm/common/log2l.c Normal file
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@ -0,0 +1,38 @@
/*
Copyright (c) 2014 Mentor Graphics, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Mentor Graphics nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY CODESOURCERY, INC. ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL CODESOURCERY BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <math.h>
#include "local.h"
#ifdef _LDBL_EQ_DBL
long double
log2l (long double x)
{
return log2(x);
}
#endif

38
newlib/libm/common/logbl.c Normal file
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@ -0,0 +1,38 @@
/*
Copyright (c) 2014 Mentor Graphics, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Mentor Graphics nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY CODESOURCERY, INC. ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL CODESOURCERY BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <math.h>
#include "local.h"
#ifdef _LDBL_EQ_DBL
long double
logbl (long double x)
{
return logb(x);
}
#endif

38
newlib/libm/common/nexttoward.c Normal file
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@ -0,0 +1,38 @@
/*
Copyright (c) 2014 Mentor Graphics, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Mentor Graphics nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY CODESOURCERY, INC. ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL CODESOURCERY BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <math.h>
#include "local.h"
#ifdef _LDBL_EQ_DBL
double
nexttoward (double x, long double y)
{
return nextafter(x, y);
}
#endif

78
newlib/libm/common/nexttowardf.c Normal file
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@ -0,0 +1,78 @@
/*
* Copyright © 2005-2014 Rich Felker, et al.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <math.h>
#include <inttypes.h>
#include "local.h"
union fshape {
float value;
uint32_t bits;
};
// This is only necessary because the implementation of isnan only works
// properly when long double == double.
// See: https://sourceware.org/ml/newlib/2014/msg00684.html
#ifdef _LDBL_EQ_DOUBLE
float
nexttowardf (float x, long double y)
{
union fshape ux;
uint32_t e;
if (isnan(x) || isnan(y))
return x + y;
if (x == y)
return y;
ux.value = x;
if (x == 0) {
ux.bits = 1;
if (signbit(y))
ux.bits |= 0x80000000;
} else if (x < y) {
if (signbit(x))
ux.bits--;
else
ux.bits++;
} else {
if (signbit(x))
ux.bits++;
else
ux.bits--;
}
e = ux.bits & 0x7f800000;
/* raise overflow if ux.value is infinite and x is finite */
if (e == 0x7f800000) {
volatile float force_eval;
force_eval = x + x;
}
/* raise underflow if ux.value is subnormal or zero */
if (e == 0) {
volatile float force_eval;
force_eval = x*x + ux.value*ux.value;
}
return ux.value;
}
#endif // _LDBL_EQ_DOUBLE

38
newlib/libm/common/nexttowardl.c Normal file
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@ -0,0 +1,38 @@
/*
Copyright (c) 2014 Mentor Graphics, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Mentor Graphics nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY CODESOURCERY, INC. ``AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL CODESOURCERY BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <math.h>
#include "local.h"
#ifdef _LDBL_EQ_DBL
long double
nexttowardl (long double x, long double y)
{
return nextafter(x, y);
}
#endif